// Copyright 2019 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import Debug from 'debug';
import sharp from 'sharp';
import tmp from 'tmp-promise';

const debug = Debug('md2gslides');
tmp.setGracefulCleanup();

async function renderSVG(image): Promise<string> {
    debug('Generating SVG', image);
    let path = await tmp.tmpName({ postfix: '.png' });
    let buffer = Buffer.from(image.source);
    await sharp(buffer, { density: 2400 })
        .png()
        .toFile(path);
    return path;
}

export default renderSVG;
